package com.example.handler;

import com.example.utils.JwtUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 注销的时候调用
 */

@Component
public class JwtLogoutSuccessHandler implements LogoutSuccessHandler {

    @Autowired
    private JwtUtils jwtUtil;

    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
        System.out.println("2");
        if (authentication != null) {
            new SecurityContextLogoutHandler().logout(request, response, authentication);
        }
        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();
        response.setHeader(jwtUtil.getHeader(), "");
        outputStream.write("SuccessLogout".getBytes("UTF-8"));
        outputStream.flush();
        outputStream.close();
    }
}

